Patent US3482328A successfully refreshed from Google Patents.
US3482328A
Expired / Lapsed
US
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Fluidised beds
Assignee: Imperial Tobacco Company of Great Britain and Ireland Ltd
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Filing: 1968-05-24
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Granted: 1969-12-09
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Expires: 1988-05-24
Abstract
No abstract record available.
Inventors
- 👤 John George Larkham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:25
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/02; F26B3/06; F26B3/08; F26B3/092; F26B3/0923; A; A24; A24B; A24B15/00; A24B15/18; A24B15/24; A24B3/00; A24B3/18; B; B01; B01J; B01J8/00; B01J8/16; B01J8/18; B01J8/24; B01J8/26; B01J8/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1550992A
Cited
US1611098A
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US2639973A
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US3079222A
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US3161483A
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US3266788A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |